Allis Chalmers HD11
General tractor information:
	Manufacturer:	Allis Chalmers
	Model:	HD11
	Type:	Farm/Agricultural tractor
	Years produced:	1955 - 1965
	Total built:	-unknown-
	Factory:	Springfield, IL
	Original price:	-unknown-
Tractor power:
	Drawbar (rated):	58 hp [43.3 kW]
	Drawbar (max):	73.8 hp [55.0 kW]
	Belt:	80 hp [59.7 kW]
Engine:
	Manufacturer:	Allis-Chalmers
	Fuel:	diesel
	Type:	vertical I-head
	Cylinders:	6
	Bore/Stroke:	4.4375x5.5625 inches [113 x 141 mm]
	Displacement:	516 ci [8.5 L]
	Compression:	15.0:1
	Rated RPMs:	1800
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
Engine:
	Manufacturer:	Allis-Chalmers
	Fuel:	diesel
	Aspiration:	turbo
	Type:	vertical I-head
	Cylinders:	6
	Bore/Stroke:	4.4375x5.5625 inches [113 x 141 mm]
	Displacement:	516 ci [8.5 L]
	Compression:	15.0:1
	Rated RPMs:	1800
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
	Comments:	Turbocharged version available on the HD11AG version, produced 130 HP
Transmission:
	Type:	sliding gear
	Forward:	6
	Reverse:	3
Mechanical:
	Chassis:	crawler
	Steering:	-unknown-
	Brakes:	-unknown-
Capacity:
	Fuel:	60 gal [227 L]
Power Take-off (PTO):
Tires:
	Ag front:	tracks
	Ag rear:	tracks
Dimensions:
	Weight:	22,200 lbs [10069 kg]
	Wheelbase:	-unknown-
	Length:	154 inches [391 cm]
	Width:	-unknown-
	Height:	84 inches [213 cm]
	Ground clearance:	-unknown-
Electrical:
	Volts:	24 (2 12-volt batteries)
Nebraska Tractor Test 581:
	Test Date:	July 1956
	Engine:	-unknown-
	Belt (max):	89.8 hp [67.0 kW]
	Drawbar (max):	73.8 hp [55.0 kW]
HD11 Serial Numbers:
Location: Steering clutch housing or instrument panel
Allis Chalmers HD11 links:
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Last updated on April 25, 2008